Question 1: Palette 1/16

Objective Physics Vol-2 MCQ

Concept: Conversion of temperature from one scale to another

Express the temperature of 60°F in degree celsius and in kelvin.

A

15.55°C, 273.15 K

B

60°C, 333 K

C

15.55°C, 288.7 K

D

32°C, 305 K

Question 2: Palette 2/16

Objective Physics Vol-2 MCQ

Concept: Temperature difference measured by different scales

The temperature of an iron piece is raised from 30°C to 90°C. What is the change in its temperature on the Fahrenheit scale and on the Kelvin scale?

A

60°F, 108 K

B

108°F, 60 K

C

108°F, 108 K

D

60°F, 60 K

Question 3: Palette 3/16

Objective Physics Vol-2 MCQ

Concept: Conversion between an arbitrary temperature scale and the Celsius scale

On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are 39°W and 239°W, respectively. What will be the temperature on the new scale, corresponding to a temperature of 39°C on the Celsius scale?

A

78°W

B

39°W

C

239°W

D

117°W

Question 4: Palette 4/16

Objective Physics Vol-2 MCQ

Concept: Converting readings from an arbitrary thermometer scale to the Celsius scale

An arbitrary scale has the ice point at -20° and the steam point at 180°. When the thermometer reads 5°, then find the reading of centigrade thermometer.

A

12.5°C

B

25°C

C

5°C

D

-12.5°C

Question 5: Palette 5/16

Objective Physics Vol-2 MCQ

Concept: Correcting temperature readings from a faulty thermometer scale

A faulty scale has its fixed points marked as 5° and 95°. The temperature of a body as measured by the faulty scale is 59°. Find the correct temperature of the body on Celsius scale.

A

54°C

B

59°C

C

60°C

D

90°C

Question 6: Palette 6/16

Objective Physics Vol-2 MCQ

Concept: Constant volume gas thermometer and temperature measurement

The pressures of the gas filled in the bulb of a constant volume gas thermometer are 66 cm and 88 cm of mercury column at $0^\circ C$ and $100^\circ C$, respectively. When its bulb is immersed in a liquid placed in a vessel, its pressure is 82.5 cm of mercury column. Calculate the temperature of the liquid.

A

$65^\circ C$

B

$75^\circ C$

C

$82.5^\circ C$

D

$88^\circ C$

Question 7: Palette 7/16

Objective Physics Vol-2 MCQ

Concept: Platinum resistance thermometer and temperature calculation

The following observations were recorded on a platinum resistance thermometer. Resistance at melting point of ice is $3.70 \Omega$, resistance at boiling point of water at normal pressure is $4.71 \Omega$ and resistance at an unknown temperature $t$ is $5.29 \Omega$. Calculate the value of temperature $t$.

A

$101.0^\circ C$

B

$125.5^\circ C$

C

$157.4^\circ C$

D

$180.2^\circ C$

Question 8: Palette 8/16

Objective Physics Vol-2 MCQ

Concept: Thermometry and measurement of temperature

A device used to measure temperature is

A

Hygrometer

B

Thermometer

C

Barometer

D

Calorimeter

Question 9: Palette 9/16

Objective Physics Vol-2 MCQ

Concept: Conversion of temperature difference between Celsius and Fahrenheit scales

A difference of temperature of $25^\circ \mathrm{C}$ is equivalent to a difference of

A

$45^\circ \mathrm{F}$

B

$72^\circ \mathrm{F}$

C

$32^\circ \mathrm{F}$

D

$25^\circ \mathrm{F}$

Question 10: Palette 10/16

Objective Physics Vol-2 MCQ

Concept: Temperature scale conversion and finding the point of equality

At what temperature, does the temperature in Celsius and Fahrenheit equalise?

A

$-40^\circ$

B

$40^\circ$

C

$36.6^\circ$

D

$38^\circ$

Question 11: Palette 11/16

Objective Physics Vol-2 MCQ

Concept: Conversion of temperature from Celsius scale to an arbitrary temperature scale

The freezing point on a thermometer is marked as $-20^\circ$ and the boiling point as $130^\circ$. A temperature of human body ($34^\circ \mathrm{C}$) on this thermometer will be read as

A

$31^\circ$

B

$51^\circ$

C

$20^\circ$

D

None of these

Question 12: Palette 12/16

Objective Physics Vol-2 MCQ

Concept: Conversion of temperature from Celsius scale to an arbitrary temperature scale

The freezing point on a thermometer is marked as -20° and the boiling point as 130°. A temperature of human body (34°C) on this thermometer will be read as

A

31°

B

51°

C

20°

D

None of these

Question 13: Palette 13/16

Objective Physics Vol-2 MCQ

Concept: Relationship between Kelvin and Fahrenheit temperature scales

The temperature of a body on Kelvin scale is found to be x Kelvin. When it is measured by Fahrenheit thermometer, it is found to be x°Fahrenheit, then the value of x is

A

40

B

313

C

574.25

D

301.25

Question 14: Palette 14/16

Objective Physics Vol-2 MCQ

Concept: Correcting temperature readings from a faulty thermometer scale

A faulty thermometer has its fixed points marked 5° and 95°. If the temperature of a body as shown on the Celsius scale is 40°C, then its temperature shown on this faulty thermometer is

A

39°

B

40°

C

41°

D

44°

Question 15: Palette 15/16

Objective Physics Vol-2 MCQ

Concept: Conversion between Celsius and Fahrenheit scales using a given ratio

The readings of a bath on Celsius and Fahrenheit thermometers are in the ratio 2 : 5. The temperature of the bath is

A

-26.66°C

B

40°C

C

45.71°C

D

26.66°C

Question 16: Palette 16/16

Objective Physics Vol-2 MCQ

Concept: Constant pressure gas thermometer and temperature calculation

The reading of air thermometer at 0°C and 100°C are 50 cm and 75 cm of mercury column, respectively. The temperature at which its reading is 80 cm of mercury column is

A

105°C

B

110°C

C

115°C

D

120°C